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EnglishControls and features -> Dynamic Stability Control (DSC) for your BMW 3 Series 1997-2006
Dynamic Stability Control (DSC)
87
risks. Do not make any modifications to
The concept
the DSC system. Allow only authorized
technicians to perform service proce-
dures on the DSC.
At first, you may need some time to
become accustomed to this system's
intervention. However, it guarantees
optimum drive force and at the same
time, the best possible vehicle stabil-
ity.<
DSC maintains vehicle stability, even in
critical driving situations.
The system optimizes vehicle stability
during acceleration and when starting
from a full stop, as well as optimizing
traction. In addition, it recognizes
unstable vehicle conditions, such as
understeering or oversteering, and,
within physically feasible limits, helps
keeping the vehicle on a steady course
by reducing the engine speed and
brake applications to the individual
wheels.
Indicator lamp
The indicator lamp in the instru-
ment cluster will go out shortly
after the ignition has been
To deactivate the system
Press the button; the indicator lamp
comes on and stays on.
The system starts up automatically
each time you start the engine.
switched on, refer to page 19.
The vehicle does not execute the stabil-
ity-enhancement and traction-control
functions when DSC is deactivated.
>Indicator lamp flashes: the system is
active and is controlling the drive
torque based on driving conditions
>If the indicator lamp fails to go out
after the engine has been started, or
if it comes on during normal driving
and stays on: the system has been
deactivated via the button or is
defective. You can continue to drive
the vehicle normally, but without
DSC. Please consult your BMW cen-
ter for repairs.
The laws of physics cannot be
repealed, even with DSC. The
results of driving irresponsibly rest with
the driver. We therefore urge you to
avoid using the additional safety margin
of the system as an excuse for taking
We recommend that you deactivate the
system for increased traction:
>When rocking the vehicle or starting
off in deep snow or on loose surfaces
>When driving with snow chains
>When driving on snow-covered
grades, in deep snow, or on a snow-
covered surface that has been
packed down from being driven on.
To maintain vehicle stability,
always drive with the system
switched on whenever possible.<
88 Dynamic Stability Control (DSC)
Flat Tire Monitor
To reactivate the system
The concept
Press the button again; the indicator
lamp goes out.
As you drive, the Flat Tire Monitor
keeps track of pressure levels in all four
tires. The system detects whenever the
inflation pressure in a tire drops off sig-
nificantly.
Dynamic Brake Control (DBC)
DBC is an integral component of the
DSC system.
Controlling the tire pressure is based
on monitoring the rpm that the tires
have relative to each other. A flat tire is
detected and reported because the rpm
suddenly deviate drastically from one
another.
If you apply the brakes rapidly, this sys-
tem automatically generates maximum
braking force boost and thus helps to
achieve the shortest possible braking
distance in panic braking situations. All
of the benefits of the ABS system are
exploited under these circumstances.
Do not reduce the pressure on the
brake pedal for the duration of the
brake application. When the brake
pedal is released, the DBC is deacti-
vated.
